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adding a convert_function_application in the flattening that will be … #274

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Merged
merged 1 commit into from
Oct 31, 2016
Merged

adding a convert_function_application in the flattening that will be … #274

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30 changes: 25 additions & 5 deletions src/solvers/flattening/boolbv.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -334,11 +334,7 @@ bvt boolbvt::convert_bitvector(const exprt &expr)
}
else if(expr.id()==ID_function_application)
{
// record
functions.record(to_function_application_expr(expr));

// make it free bits
return prop.new_variables(boolbv_width(expr.type()));
return convert_function_application(to_function_application_expr(expr));
}
else if(expr.id()==ID_reduction_or || expr.id()==ID_reduction_and ||
expr.id()==ID_reduction_nor || expr.id()==ID_reduction_nand ||
Expand Down Expand Up @@ -502,6 +498,30 @@ bvt boolbvt::convert_symbol(const exprt &expr)

return bv;
}


/*******************************************************************\

Function: boolbvt::convert_function_application

Inputs:

Outputs:

Purpose:

\*******************************************************************/

bvt boolbvt::convert_function_application(
const function_application_exprt &expr)
{
// record
functions.record(expr);

// make it free bits
return prop.new_variables(boolbv_width(expr.type()));
}


/*******************************************************************\

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1 change: 1 addition & 0 deletions src/solvers/flattening/boolbv.h
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Expand Up @@ -169,6 +169,7 @@ class boolbvt:public arrayst
virtual bvt convert_bv_reduction(const unary_exprt &expr);
virtual bvt convert_not(const not_exprt &expr);
virtual bvt convert_power(const binary_exprt &expr);
virtual bvt convert_function_application(const function_application_exprt &expr);

virtual void make_bv_expr(const typet &type, const bvt &bv, exprt &dest);
virtual void make_free_bv_expr(const typet &type, exprt &dest);
Expand Down